Mithrandir Metrics
Player Seattle Mariners Refreshed Jun 1 06:00 AM ET
Player profile / Seattle Mariners

Gabe Speier

P profile with live context, projection links, and Mithrandir card history when available.

Cards
0
Modules
0
Live Δ
--
Club Seattle Mariners Position P Roster Active Status Healthy / active roster
Rolling projection

Preseason / current pace / Bayesian update

Rolling bands shrink current-season signal toward the preseason prior until the sample earns more weight.

2026-06-01
ERA preseason3.34
ERA current pace2.70
ERA rolling p503.20
Observed weight22%
ERA
1.42 2.26 3.20 4.13 4.97
FIP
2.11 2.66 3.26 3.86 4.41
K%
20.5% 23.5% 26.7% 30.0% 33.0%
BB%
3.8% 5.4% 7.1% 8.8% 10.4%
Live percentile strip

Current traits vs projection tick

100th = best in MLB.

2026-06-01
Mithrandir+

Stuff+ and arsenal context

Stuff+ appears when the current pitch-event scoring artifact includes this pitcher; missing coverage is shown explicitly.

2026-06-01
Mithrandir Stuff+103
62
Rolling form chart

xwOBA allowed snapshot line

Live snapshot series; true 50/100 PA windows require PA-level logs

0 snapshots
No chart yet

No Live State xwOBA snapshots are available for this player.

Optimization map

Arsenal optimization map

Pitch-shape context from this pitcher’s current arsenal snapshot. Hover a pitch to inspect usage, movement, and bat-missing context.

4Pitches 2026Season 35%Top usage
ride armside gloveside +Arsenal gap +Shape contrast
Zone profile

Aggregate zone heatmap

Aggregate zone metrics from seasonal Statcast leaderboards.

Mithrandir Metrics ZONE HEATMAP Parameterized Mithrandir chart rendered as SVG for templates and exports. season=2026 Pitch Zone Profile Speier, Gabe · Aggregate zone metrics; not pitch-by-pitch locations Edge: 31%31%Zone: 51%51%Whiff: 23%23%Called strike: 15%15%First pitch strike: 58%58%Hard hit allowed: 33%33% Dashed border = aggregate mixed-batter zone proxy MITHRANDIR · CHARTS
Pitch arsenal

Usage mix, movement map, and Stuff+ composition

2026 pitch-level arsenal aggregates; current season takes over after 100 tracked pitches across at least 2 pitch types. Descriptive pitch-type Stuff+ composition. Not a promoted predictive metric.

2026
Mithrandir Metrics PITCH ARSENAL DONUT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Speier, Gabe · 2026 arsenal snapshot Slider: 34.8%4-Seam Fastball: 34.0%Sinker: 30.4%Changeup: 0.8% MIX SL 35%FF 34%SI 30%CH 1% MITHRANDIR · CHARTS
Mithrandir Metrics PITCH MOVEMENT Parameterized Mithrandir chart rendered as SVG for templates and exports. Pitch Arsenal Speier, Gabe · 2026 arsenal snapshot SL: HB 0.0, IVB 3.4SLFF: HB -0.4, IVB 1.3FFSI: HB 0.0, IVB 1.9SICH: HB -1.1, IVB 2.5CH horizontal break IVB MITHRANDIR · CHARTS
PitchUsagePitchesStuff+Status
FB 33.8% 76 104 limited sample
SL 33.8% 76 95 limited sample
SI 32.0% 72 106 limited sample
CH 0.4% 1 96 limited sample
Method note

Renamed from the attempted Kirby Index after audit; true Kirby requires release-angle trajectory data.

Reference layer

Current snapshot

Age31
Height5' 11"
Weight200 lb
Debut2019-09-05
Live layer

Delta / regression

No Live State delta is available for this profile yet.

Mithrandir coverage

Module shelf

ModuleCardsLatestSignal
No Mithrandir card history is available for this player yet.
Projection links / recent games

Available detail

Pitcher Projections 202628.2% K | 3.30 ERAProjection
2026-04-15 @ SD0 ER / 0 K1.0 IP
2026-04-08 @ TEX0 ER / 2 K1.0 IP
2026-04-05 @ LAA0 ER / 0 K0.2 IP
2026-04-03 @ LAA0 ER / 1 K1.0 IP
2026-03-30 vs NYY0 ER / 2 K1.0 IP